2315240401 has 4 divisors (see below), whose sum is σ = 2315356272. Its totient is φ = 2315124532.

The previous prime is 2315240399. The next prime is 2315240407. The reversal of 2315240401 is 1040425132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2315240401 - 2¹ = 2315240399 is a prime.

It is a super-2 number, since 2×2315240401² = 10720676228845281602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315240407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19435 + ... + 70768.

It is an arithmetic number, because the mean of its divisors is an integer number (578839068).

Almost surely, 2^2315240401 is an apocalyptic number.

It is an amenable number.

2315240401 is a deficient number, since it is larger than the sum of its proper divisors (115871).

2315240401 is an equidigital number, since it uses as much as digits as its factorization.

2315240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115870.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2315240401 is about 48116.9450505744. The cubic root of 2315240401 is about 1322.9152741207.

Adding to 2315240401 its reverse (1040425132), we get a palindrome (3355665533).

The spelling of 2315240401 in words is "two billion, three hundred fifteen million, two hundred forty thousand, four hundred one".